If a straight horizontal thread one meter long falls from a height of one meter on to a horizontal plane twisting as it pleases [it] creates a new im… - Marcel Duchamp

Another aspect of the 'readymade' is its lack of uniqueness.. ..the replica of a 'readymade' delivering the same message; in fact nearly every one of the 'ready-made's existing today is not an original in the conventional sense.
Since the tubes of paint used by the artist are manufactured and ready made products we must conclude that all the paintings in the world are 'ready-made's aided' and also works of assemblage.

He [= Duchamp himself, writing in the third person] CHOSE IT. He took an ordinary article of life, placed it so that its useful significance disappeared under the new title and point of view – created a new thought for that object.

This long preamble just to tell you not to judge your own work as you are the last person to see it (with true eyes) – What you see neither redeems nor condemns it – All words used to explain or praise it are false translations of what is going on beyond sensations.
You are, as we all are, obsessed by the accumulation of principles or anti-principles which generally cloud your mind with their terminology and, without knowing it, you are a prisoner of what you think is a liberated education –
In your particular case, you are certainly the victim of the 'Ecole de Paris' [French abstract art movement which developed after world War 2.], a joke that’s lasted for 60 years.